The '''Bank of Montreal''' (), (commonly '''BMO''' in either official language), or '''BMO Financial Group''', is one of the Big Five banks|Big Five
banks in Canada
. It is the fourth-largest bank in Canada by market capitalization and based on assets, and among the ten largest banks in North America.
On June 23, 1817, John Richardson (businessman)|John Richardson
and eight merchants signed the Articles of Association to establish the Bank of Montreal in a rented house in Montreal
. The bank officially opened its doors for business on November 3, 1817, making it Canada's oldest bank.
BMO's Institution Number (or bank number) is 001. In Canada, the bank operates as ''BMO Bank of Montreal'' and has more than 900 branches, serving over seven million customers.
The company also has substantial operations in the Chicago
area and elsewhere in the United States, where it...